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💧 Freshwater Vulnerable 🌡️ Tropical

Black ruby barb

Pethia nigrofasciata Günther, 1868
Max Length
6 cm
Max Weight
-
Lifespan
-
Trophic Level
2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
11.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits clear, cool, shady streams in forested areas, on gravel or sand substrate. Sometimes found in pools of quiet water in the margins of clear streams and rivers . Bred in captivity. Spawns in shallow water among marginal weeds. Eggs (>100) hatch in 1-2 days; fry are free-swimming after 24 h . Feeds mainly on filamentous algae and detritus . Males brightly colored and with darker fins. Popular aquarium fish. Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 80 cm .

Scientific Name
Pethia nigrofasciata
Authority
Günther, 1868
Habitat
Freshwater
Climate
Tropical
IUCN Status
VU
Max Length
6 cm
Trophic Level
2
Resilience
High
Vulnerability
11.00/100
Water Temp
22–26 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

colored and with darker fins.

🌀 Behaviour

Behavioural data for Black ruby barb is currently being reviewed.

🦐 Diet

Diet information for Black ruby barb is currently being compiled.

🥚 Reproduction

Reproduction data for Black ruby barb is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 6.0 - 6.5; dH range: 5 - 12. Tropical; 22°C - 26°C ; 8°N - 6°N occurs in hilly areas up to about 300 m elevation.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2
Food Items

filamentous algae and detritus (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L3 (TL)
Max TL
6cm

🌡️ Water Parameters & Tolerance

Temperature Range
22–26°C
pH Range
6–6.5
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Günther, 1868

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Black Ruby Barb · Purple-headed Barb · Purplehead Barb
🌍AFR Swartrobyn
🌍CES parmička purpurová
🇵🇹Portuguese Barbo-rubi
🇷🇺Russian Чёрный барбус
🌍SIN බුලත් හපයා

Scientific Synonyms

Scientific Name Author Year Status
Barbus nigrofasciatus Günther 1868 Synonym
Puntius nigrofasciatus Günther 1868 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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